53 698:51 +0.66 2...Bg4+ {30...Bg4+ is what was played in PV leading to the first diagram and so could even lead to a lost position for Black}
3.Ke1 Bc7 4.Kf2 Bb6 5.Re1 e4
6.Be2 Bxe2 7.Kxe2 Kxg6 8.Rd1 Rc8
9.Bxd4 Rxc2+ 10.Ke3 Rc3+ 11.Kf2 Rc2+
12.Kg3 Bxd4 13.Rxd4 Rxa2 14.Ne3 Kf6
15.Rxd5 Rb2 (77.192.138.428) 1840

Nice picture of two other chess players, a very young Jan Timman and almost just as young Boris Spasski, 10 october 1977 at Elsevier publishing company. I don't remember this particular match, I do remember an earlier match after Korchnoi had defected to 'The West' and stayed a while here in Holland, Jan played a match against Korchnoi in 1976. Korchnoi won.

Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan